Minor addition to ersatz/README
Minor addition to ersatz/README

rsdoiel/picolisp,seanjensengrey/picolisp,seanjensengrey/picolisp,seanjensengrey/picolisp,rsdoiel/picolisp,seanjensengrey/picolisp,rsdoiel/picolisp,seanjensengrey/picolisp,rsdoiel/picolisp,rsdoiel/picolisp,rsdoiel/picolisp